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#ifndef BSPLUGINLIST_PLUGINGROUPPROXYMODEL_H
#define BSPLUGINLIST_PLUGINGROUPPROXYMODEL_H
#include "TESData/FileInfo.h"
#include <imoinfo.h>
#include <boost/container/flat_map.hpp>
#include <QAbstractProxyModel>
#include <limits>
#include <memory>
#include <vector>
namespace BSPluginList
{
class PluginGroupProxyModel final : public QAbstractProxyModel
{
Q_OBJECT
public:
explicit PluginGroupProxyModel(MOBase::IOrganizer* organizer,
QObject* parent = nullptr);
void setSourceModel(QAbstractItemModel* sourceModel) override;
bool hasChildren(const QModelIndex& parent = QModelIndex()) const override;
int rowCount(const QModelIndex& parent = QModelIndex()) const override;
int columnCount(const QModelIndex& parent = QModelIndex()) const override;
QModelIndex index(int row, int column,
const QModelIndex& parent = QModelIndex()) const override;
QModelIndex parent(const QModelIndex& index) const override;
QModelIndex mapFromSource(const QModelIndex& sourceIndex) const override;
QModelIndex mapToSource(const QModelIndex& proxyIndex) const override;
Qt::ItemFlags flags(const QModelIndex& index) const override;
QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
bool setData(const QModelIndex& index, const QVariant& value,
int role = Qt::EditRole) override;
QModelIndex buddy(const QModelIndex& index) const override;
QVariant headerData(int section, Qt::Orientation orientation,
int role = Qt::DisplayRole) const override;
QMimeData* mimeData(const QModelIndexList& indexes) const override;
bool canDropMimeData(const QMimeData* data, Qt::DropAction action, int row,
int column, const QModelIndex& parent) const override;
bool dropMimeData(const QMimeData* data, Qt::DropAction action, int row, int column,
const QModelIndex& parent) override;
void setDroppingBelowExpandedItem(bool value) { m_DroppingBelowExpandedItem = value; }
signals:
void groupRenameRequested(const QModelIndex& index, const QString& name);
private slots:
void onSourceDataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight,
const QList<int>& roles = QList<int>());
void onSourceLayoutChanged(
const QList<QPersistentModelIndex>& parents = QList<QPersistentModelIndex>(),
QAbstractItemModel::LayoutChangeHint hint =
QAbstractItemModel::NoLayoutChangeHint);
void onSourceModelReset();
void onSourceRowsInserted(const QModelIndex& parent);
void onSourceRowsRemoved(const QModelIndex& parent);
private:
static constexpr std::size_t NO_ID = std::numeric_limits<std::size_t>::max();
struct Group
{
QString name;
std::vector<std::size_t> children;
explicit Group(const QString& name) : name{name} {}
};
struct ProxyItem
{
int row;
int sourceRow;
std::size_t parentId;
std::shared_ptr<Group> groupInfo;
[[nodiscard]] bool isSourceItem() const { return sourceRow != -1; }
[[nodiscard]] bool isGroup() const { return groupInfo != nullptr; }
[[nodiscard]] bool isDivider() const
{
return groupInfo == nullptr && sourceRow == -1;
}
};
[[nodiscard]] int mapLowerBoundToSourceRow(std::size_t id) const;
[[nodiscard]] bool isAboveDivider(std::size_t id) const;
[[nodiscard]] bool isBelowDivider(std::size_t id) const;
void buildGroups();
[[nodiscard]] std::size_t createItem(const QString& name, int row, int sourceRow,
std::size_t parent, std::shared_ptr<Group> group,
int repeat = 0);
std::vector<ProxyItem> m_ProxyItems;
boost::container::flat_multimap<QString, std::size_t> m_ItemMap;
std::vector<std::size_t> m_TopLevel;
std::vector<std::size_t> m_SourceMap;
bool m_DroppingBelowExpandedItem;
mutable std::vector<std::size_t> m_DraggingGroups;
MOBase::IOrganizer* m_Organizer;
};
} // namespace BSPluginList
#endif // BSPLUGINLIST_PLUGINGROUPPROXYMODEL_H
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